<template>
  <div class="login_container">
    <div v-wechat-title="$route.meta.title"></div>
    <!-- 登录盒子  -->
    <div class="login_box">
      <!-- 头像 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 登录表单 -->
      <el-form
        :model="loginForm"
        ref="LoginFormRef"
        :rules="loginFormRules"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-user"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            type="password"
            v-model="loginForm.password"
            prefix-icon="iconfont icon-3702mima"
          ></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="checkdialogVisible = true"
            >登录</el-button
          >
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
    <!-- 拖动验证框 -->
    <el-dialog
      title="人机验证"
      :visible.sync="checkdialogVisible"
      width="350px"
      :before-close="checkBoxClosed"
    >
      <span>请拖动图片进行验证</span>
      <slide-verify
        :l="42"
        :r="10"
        :w="310"
        :h="155"
        ref="slideblock"
        slider-text="向右滑动"
        @success="onSuccess"
        @fail="onFail"
        @refresh="onRefresh"
      ></slide-verify>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      checkdialogVisible: false,
      //数据绑定
      loginForm: {
        username: "admin",
        password: "admin",
      },
      //表单验证规则
      loginFormRules: {
        username: [
          { required: true, message: "请输入登录名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "登录名长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 5,
            max: 15,
            message: "密码长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
  //添加行为，
  methods: {
    //添加表单重置方法
    resetLoginForm() {
      //this=>当前组件对象，其中的属性$refs包含了设置的表单ref
      //   console.log(this)
      this.$refs.LoginFormRef.resetFields();
    },
    login() {
      //点击登录的时候先调用validate方法验证表单内容是否有误
      this.$refs.LoginFormRef.validate(async (valid) => {
        //如果valid参数为true则验证通过
        if (!valid) {
          return;
        }
        var params = new URLSearchParams();
        params.append("username", this.loginForm.username);
        params.append("password", this.loginForm.password);
        this.$http
          .post("Controller/LoginController.php", params)
          .then((res) => {
            if (res.data.code == 200) {
              this.$Message.success("测试登录成功");
              window.sessionStorage.setItem("token", res.data.data.token);
              this.$router.push("/home");
            } else {
              this.$Message.error(res.data.message);
              this.$refs.slideblock.reset();
            }
          });
      });
    },
    onSuccess() {
      this.login();
      this.checkdialogVisible = false;
    },
    onFail() {
      this.$Message.error("验证失败，请重试！");
      this.$refs.slideblock.reset();
      this.checkdialogVisible = false;
    },
    onRefresh() {
      this.$Message.success("验证码已刷新！");
    },
    checkBoxClosed() {
      this.checkdialogVisible = false;
      this.$refs.slideblock.reset();
    },
  },
};
</script>

<style scoped>
.login_container {
  background-color: #2b5b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
}
img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #eee;
}
</style>
